A number is called a factor when it can divide evenly into another number with no remainder. Integers only.
The number is prime.
It is called a factor
It is called a 'factor'
This would be called a "factor". A number may be made by multiplying two or more other numbers together. The numbers that are multiplied together are called factors of the final number.
A factor or a divisor is a number that will divide into another number evenly and leaving no remainder.
a common factor
It is called a common factor!
common factor
when it divides evenly into that number with no remainder.
factor
The number is called a base.
When it divides evenly into another number.